// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI I2S Control
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <[email protected]>
#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include "mt8183-afe-common.h"
#include "mt8183-interconnection.h"
#include "mt8183-reg.h"
enum AUD_TX_LCH_RPT {
AUD_TX_LCH_RPT_NO_REPEAT = 0,
AUD_TX_LCH_RPT_REPEAT = 1
};
enum AUD_VBT_16K_MODE {
AUD_VBT_16K_MODE_DISABLE = 0,
AUD_VBT_16K_MODE_ENABLE = 1
};
enum AUD_EXT_MODEM {
AUD_EXT_MODEM_SELECT_INTERNAL = 0,
AUD_EXT_MODEM_SELECT_EXTERNAL = 1
};
enum AUD_PCM_SYNC_TYPE {
/* bck sync length = 1 */
AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
/* bck sync length = PCM_INTF_CON1[9:13] */
AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
};
enum AUD_BT_MODE {
AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
};
enum AUD_PCM_AFIFO_SRC {
/* slave mode & external modem uses different crystal */
AUD_PCM_AFIFO_ASRC = 0,
/* slave mode & external modem uses the same crystal */
AUD_PCM_AFIFO_AFIFO = 1
};
enum AUD_PCM_CLOCK_SOURCE {
AUD_PCM_CLOCK_MASTER_MODE = 0,
AUD_PCM_CLOCK_SLAVE_MODE = 1
};
enum AUD_PCM_WLEN {
AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
};
enum AUD_PCM_MODE {
AUD_PCM_MODE_PCM_MODE_8K = 0,
AUD_PCM_MODE_PCM_MODE_16K = 1,
AUD_PCM_MODE_PCM_MODE_32K = 2,
AUD_PCM_MODE_PCM_MODE_48K = 3,
};
enum AUD_PCM_FMT {
AUD_PCM_FMT_I2S = 0,
AUD_PCM_FMT_EIAJ = 1,
AUD_PCM_FMT_PCM_MODE_A = 2,
AUD_PCM_FMT_PCM_MODE_B = 3
};
enum AUD_BCLK_OUT_INV {
AUD_BCLK_OUT_INV_NO_INVERSE = 0,
AUD_BCLK_OUT_INV_INVERSE = 1
};
enum AUD_PCM_EN {
AUD_PCM_EN_DISABLE = 0,
AUD_PCM_EN_ENABLE = 1
};
/* dai component */
static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
I_ADDA_UL_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
I_DL2_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,
I_ADDA_UL_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,
I_DL2_CH2, 1, 0),
};
static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,
I_DL1_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,
I_ADDA_UL_CH1, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,
I_DL2_CH1, 1, 0),
};
static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,
I_ADDA_UL_CH2, 1, 0),
SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,
I_DL2_CH2, 1, 0),
};
static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,
I_DL1_CH1, 1, 0),
};
static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
/* inter-connections */
SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
mtk_pcm_1_playback_ch1_mix,
ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
mtk_pcm_1_playback_ch2_mix,
ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,
mtk_pcm_1_playback_ch4_mix,
ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),
SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,
mtk_pcm_2_playback_ch1_mix,
ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),
SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,
mtk_pcm_2_playback_ch2_mix,
ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),
SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,
mtk_pcm_2_playback_ch4_mix,
ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),
SND_SOC_DAPM_SUPPLY("PCM_1_EN", PCM_INTF_CON1, PCM_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("PCM_2_EN", PCM2_INTF_CON, PCM2_EN_SFT, 0,
NULL, 0),
SND_SOC_DAPM_INPUT("MD1_TO_AFE"),
SND_SOC_DAPM_INPUT("MD2_TO_AFE"),
SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),
SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),
};
static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
{"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
{"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
{"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
{"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
{"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
{"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},
{"PCM 1 Playback", NULL, "PCM_1_EN"},
{"PCM 2 Playback", NULL, "PCM_2_EN"},
{"PCM 1 Capture", NULL, "PCM_1_EN"},
{"PCM 2 Capture", NULL, "PCM_2_EN"},
{"AFE_TO_MD1", NULL, "PCM 2 Playback"},
{"AFE_TO_MD2", NULL, "PCM 1 Playback"},
{"PCM 2 Capture", NULL, "MD1_TO_AFE"},
{"PCM 1 Capture", NULL, "MD2_TO_AFE"},
{"PCM_1_PB_CH1", "DL2_CH1", "DL2"},
{"PCM_1_PB_CH2", "DL2_CH2", "DL2"},
{"PCM_1_PB_CH4", "DL1_CH1", "DL1"},
{"PCM_2_PB_CH1", "DL2_CH1", "DL2"},
{"PCM_2_PB_CH2", "DL2_CH2", "DL2"},
{"PCM_2_PB_CH4", "DL1_CH1", "DL1"},
};
/* dai ops */
static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct snd_soc_dapm_widget *p = snd_soc_dai_get_widget_playback(dai);
struct snd_soc_dapm_widget *c = snd_soc_dai_get_widget_capture(dai);
unsigned int rate = params_rate(params);
unsigned int rate_reg = mt8183_rate_transform(afe->dev, rate, dai->id);
unsigned int pcm_con = 0;
dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",
__func__,
dai->id,
substream->stream,
rate,
rate_reg,
p->active, c->active);
if (p->active || c->active)
return 0;
switch (dai->id) {
case MT8183_DAI_PCM_1:
pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;
pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;
pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;
pcm_con |= rate_reg << PCM_MODE_SFT;
pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;
regmap_update_bits(afe->regmap, PCM_INTF_CON1,
0xfffffffe, pcm_con);
break;
case MT8183_DAI_PCM_2:
pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;
pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;
pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;
pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;
pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;
pcm_con |= rate_reg << PCM2_MODE_SFT;
pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;
regmap_update_bits(afe->regmap, PCM2_INTF_CON,
0xfffffffe, pcm_con);
break;
default:
dev_warn(afe->dev, "%s(), id %d not support\n",
__func__, dai->id);
return -EINVAL;
}
return 0;
}
static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
.hw_params = mtk_dai_pcm_hw_params,
};
/* dai driver */
#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 |\
SNDRV_PCM_RATE_48000)
#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
{
.name = "PCM 1",
.id = MT8183_DAI_PCM_1,
.playback = {
.stream_name = "PCM 1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_PCM_RATES,
.formats = MTK_PCM_FORMATS,
},
.capture = {
.stream_name = "PCM 1 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_PCM_RATES,
.formats = MTK_PCM_FORMATS,
},
.ops = &mtk_dai_pcm_ops,
.symmetric_rate = 1,
.symmetric_sample_bits = 1,
},
{
.name = "PCM 2",
.id = MT8183_DAI_PCM_2,
.playback = {
.stream_name = "PCM 2 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_PCM_RATES,
.formats = MTK_PCM_FORMATS,
},
.capture = {
.stream_name = "PCM 2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = MTK_PCM_RATES,
.formats = MTK_PCM_FORMATS,
},
.ops = &mtk_dai_pcm_ops,
.symmetric_rate = 1,
.symmetric_sample_bits = 1,
},
};
int mt8183_dai_pcm_register(struct mtk_base_afe *afe)
{
struct mtk_base_afe_dai *dai;
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
if (!dai)
return -ENOMEM;
list_add(&dai->list, &afe->sub_dais);
dai->dai_drivers = mtk_dai_pcm_driver;
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);
dai->dapm_widgets = mtk_dai_pcm_widgets;
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
dai->dapm_routes = mtk_dai_pcm_routes;
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
return 0;
}
Codebase Browser
linux